Kee Membrane Roofing System

Advanced solid phase polymer formulation.

Kee membrane roofing system.

Duro last ev is a ketone ethylene ester kee containing membrane offering the same uv resistance reflectivity and enhanced chemical resistance that duro last is known for. We make every element of our roofing products to ensure unmatched quality. Fibertite is the only known single ply kee sheet on the market that meets the astm standard d6754. Fibertite roofing systems by seaman corporation is a high performance coated fabric membrane that has a unique four layer technology to provide puncture chemical and ponding water resistance.

We also cover spray applied foam and liquid roofing options. Tremply kee membranes are coated on the face to provide superior hot air welding characteristics extreme uv resistance broad chemical resistance and long term flexibility and repairability for the installed roofing membrane system. Fibertite roofing systems protect the world s most powerful brands. Pvc polyvinyl chloride single ply membranes have provided dependable protection and proven performance since the 1960s making them a popular and economical choice among roofing consultants and specifiers.

Ev roofing system overview. Utilizing dupont s elvaloy duro last ev roofing membrane is flexible and weldable in low temperatures and performs well in cold harsh. Meets the requirements of astm d 4434 type iii. The astm d6754 kee roofing specification states that kee must be 50 or more of the total polymer content.

Aramid fiber is woven into the fastening side of all full rolls of pvc membrane. Uses the optimal amount of dupont elvaloy kee ketone ethylene ester polymer to ensure plasticizer retention extend roof life and reduce maintenance costs. You also asked about the highest possible amount of kee my guidance is that the amount of kee should not be a deciding factor in selecting a membrane. Watch the fibertite story video.

Kee is a plasticizer and so the other polymer is always pvc. Long lasting thermoplastic membrane leads industry in uv and aging performance and is to be used as part of a two ply hybrid garland roof system. The kee stone fb 60 fleece backed thermoplastic membrane is formulated using the highest grade dupont elvaloy hp ketone ethylene ester kee providing superior resistance to uv degradation and heat resistance while retaining its low temperature. Membrane roofing is often used on commercial flat roofs.

We provide operational security globally to the world s most powerful brands with an innovative high performance coated fabric membrane that has a unique four layer technology providing puncture chemical and ponding water resistance. Common flat roof membranes discussed in this article include built up asphalt tar and gravel modified bitumen and single ply membranes like epdm pvc tpo and kee. Fibertite is the only kee based membrane on the market proven for nearly four decades exceeding roofing industry professionals expectations.